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authorWBI\nxf44444 <[email protected]>2020-10-26 15:02:42 +0800
committerWBI\nxf44444 <[email protected]>2020-10-26 15:02:42 +0800
commitb982de3971467f5c5cac5f8ce8f954bb9842ec0f (patch)
treed0ca032ede444d43b2e54dcbea412149bc08f3a8 /include
parent102976e89f2d5f004dbad25ad42a0dc659294ed2 (diff)
parent9cd38972a27a9baf5278d62431c8f6e77b9878b1 (diff)
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'include')
-rw-r--r--include/rtdef.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/rtdef.h b/include/rtdef.h
index 5543b80ab7..0690371c6d 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -33,6 +33,7 @@
* 2019-05-17 Bernard change version number to v4.0.2
* 2019-12-20 Bernard change version number to v4.0.3
* 2020-08-10 Meco Man add macro for struct rt_device_ops
+ * 2020-10-23 Meco Man define maximum value of ipc type
*/
#ifndef __RT_DEF_H__
@@ -102,6 +103,13 @@ typedef rt_base_t rt_off_t; /**< Type for offset */
#define RT_UINT32_MAX 0xffffffff /**< Maxium number of UINT32 */
#define RT_TICK_MAX RT_UINT32_MAX /**< Maxium number of tick */
+/* maximum value of ipc type */
+#define RT_SEM_VALUE_MAX RT_UINT16_MAX /**< Maxium number of semaphore .value */
+#define RT_MUTEX_VALUE_MAX RT_UINT16_MAX /**< Maxium number of mutex .value */
+#define RT_MUTEX_HOLD_MAX RT_UINT8_MAX /**< Maxium number of mutex .hold */
+#define RT_MB_ENTRY_MAX RT_UINT16_MAX /**< Maxium number of mailbox .entry */
+#define RT_MQ_ENTRY_MAX RT_UINT16_MAX /**< Maxium number of message queue .entry */
+
#if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define __CLANG_ARM
#endif